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C.W. Eifrig, I.U. Scott, H.W. Flynn Jr., J. Newton; Culture-proven Endophthalmitis Following Pars Plana Vitrectomy: Incidence, Causative Organisms, and Visual Acuity Outcomes . Invest. Ophthalmol. Vis. Sci. 2003;44(13):1840.
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© ARVO (1962-2015); The Authors (2016-present)
Purpose: To investigate the incidence, causative organisms, and visual acuity outcomes associated with endophthalmitis after pars plana vitrectomy. Methods: Retrospective medical record review of all patients who underwent pars plana vitrectomy at a single institution between January 1, 1984 and November 30, 2002. Results: During the 19-year study interval, the overall incidence rate of post-vitrectomy endophthalmitis was 0.036% (6/16,477). The incidence rate for vitrectomies performed 1984-1994 was higher than the incidence rate for vitrectomies performed 1995-2002 (3/6,557 [0.046%] versus 2/9,920 [0.02%], respectively). Cultured organisms were Staphylococcus aureus (n=3), Proteus mirabilus (n=1), and Staphylococcus epidermidis/Pseudomonas aeruginosa (n=1). Visual acuity after treatment ranged from 20/40 to no light perception, with a final vision of light perception or no light perception in 4/6 (66.7%) eyes. Conclusions: The incidence of endophthalmitis after pars plana vitrectomy is low; visual acuity outcomes after treatment are generally poor.
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